Page 612 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition
P. 612
A-6.
578 Altitude and Atmospheric Pressures
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Altitude above Tempera- Atmospheric
Sea Level lure•* Bara meter* Pressure
---
Inches mm Kg/sq
Feet* Miles Meters* •f ·c Hg Abs. Hg Abs. PSIA cm Abs.
----- --- --- ---
-5000 --- -1526 77 25 35.58 903.7 17.48 l .229
-4500 ---- -1373 75 24 35.00 889.0 17 .19 1 .209
-4000 --- -1220 73 23 34.42 874.3 16.90 l .188
-3500 --- -1068 71 22 33.84 859.5 16.62 I .169
-3000 --- -915 70 21 33.27 845. I 16.34 I .149
-2500 --- -763 68 20 32.70 830.6 16.06 l .129
-2000 --- -610 66 19 32 .14 816.4 15.78 1 .109
-1500 -- -458 64 18 31 .58 802. I 15.51 1.091
-1000 --- ' -305 63 17 31 .02 787.9 15.23 l .071
-500 --- -153 61 16 30.47 773.9 14.96 1.052
0 --- 0 59 15 29.92 760.0 14.696 l .0333
500 --- 153 57 14 29.38 746.3 14.43 1.015
1000 --- 305 55 13 28.86 733.0 14 .16 .956
1500 --- 458 54 12 28.33 719.6 13.91 .978
2000 --- 610 52 11 27.82 706.6 13.66 .960
2500 --- 763 50 10 27.32 693.9 13.41 .943
3000 --- 915 48 9 26.82 681 .2 13.17 .926
3500 --- 1068 47 8 26.33 668.8 12.93 .909
4000 --- 1220 45 7 25.84 656.3 12.69 .892
4500 --�-- 1373 43 6 25.37 644.4 12.46 .876
5000 0.95 1526 41 5 24.90 632.5 12.23 .860
6000 1.1 1831 38 3 23.99 609.3 11 .78 .828
7000 1.3 2136 34 1 23. 10 586.7 11 .34 .797
8000 1 .5 2441 31 -1 22.23 564.6 10.91 .767
9000 1 .7 2746 27 -3 21 .39 543.3 10.50 .738
10,000 1.9 3050 23 -5 20.58 522.7 10.10 .710
15,000 2.8 4577 6 -14 16.89 429.0 8.29 .583
20,000 3.8 6102 -12 -24 13.76 349.5 6.76 .475
25,000 4.7 7628 -30 -34 11 .12 282.4 5.46 .384
30,000 5.7 9153 -48 -44 8.903 226.1 4.37 .307
35,000 6.6 10,679 -66 7.060 179.3 3 .47 .244
40,000 7.6 12,204 -70 -57 5.558 141 .2 2 .73 .192
45,000 8.5 13,730 -70 -57 4.375 111 . l 2 .15 .151
50,000 9.5 15,255 -70 -57 3.444 87.5 1.69 . 119
55,000 10 .4 16,781 -70 -57 2 .712 68.9 l .33 .0935
60,000 11.4 18,306 -70 -57 2 .135 54.2 1.05 .0738
70,000 13.3 21,357 -67 -55 1 .325 33.7 .651 .0458
80,000 15.2 24,408 -62 -52 ts .213- 1 21 .0 .406 .0285
90,000 17.1 27,459 -57 -59 5 .200-1 13.2 .255 .0179
100,000 18.9 30,510 -51 -46 3 .290- 1 8.36 . 162 .0114
120,000 22.8 36,612 -26 -48 1 ,359-1 3 .45
140,000 26.6 42,714 4 -16 5. 947-1 I.SI
160,000 30.4 48,816 28 -2 2 .746-2 te , 97- 1
180,000 34 .2 54,918 19 -7 1 .294- 2 3 .26-1
200,000 37.9 61,020 -3 -19 5 .846-J l .48-1
220,000 41 .7 67,122 -44 -42 2. 523-3 6 .41- 2
240,000 45.5 73,224 -·86 --66 9. 955-4 2 _53- 2
260,000 49 .3 79,326 -129 -90 ! 3 .513-4 8 .92-J
280,000 53. l 85,428 -135 -93 1. 143-4 3 .67-3
300,000 56.9 91,530 -127 --88 3 ,737-s 9 _49- 4
400,000 75.9 122,040 -- ·- 6 _3- 7 l .60-s
500,000 94.8 152,550 -·- -- l . 4- 7 3. 56-6
600,000 I 14 183,060 i--· -·- 5. 9-• 1 .50- 6
800,000 152 244,080 -- -- 1 .6-· 4. 06- 7
1,000,000 189 305,100 -- - 5. J-9 1 . 30-1
I ,200,000 228 366,120 -- - 2 .0- 9 s .os-«
I ,400,000 I 266 427, l 40 -- -- s.2- 10 2 .09-,
1,600,000 . 304 488,160 -- -- 3 _9-10 9 .65-•
1,800,000 342 549,180 -- --- 1 _9-10 4. 57-,
2,000,000 ' 379 610,200 -- -- I 9.2- 11 2 ,34- 9
'
I ;
-----
Data from NASA Standard Atmosphere (1962).
*Temperature and barometer are approximate for negative altitudes.
**Temperatures are average existing at 40° latitude and are rounded to even numbers.
tNegative exponent shows number of spaces the decimal point must be moved to the left,
Courtesy Ingersoll-Rand Co.

